diff options
Diffstat (limited to 'tools/perf/util/util.c')
| -rw-r--r-- | tools/perf/util/util.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c index 99ab52165680..eac5b858a371 100644 --- a/tools/perf/util/util.c +++ b/tools/perf/util/util.c @@ -62,6 +62,19 @@ int cacheline_size(void) int sysctl_perf_event_max_stack = PERF_MAX_STACK_DEPTH; int sysctl_perf_event_max_contexts_per_stack = PERF_MAX_CONTEXTS_PER_STACK; +int sysctl__max_stack(void) +{ + int value; + + if (sysctl__read_int("kernel/perf_event_max_stack", &value) == 0) + sysctl_perf_event_max_stack = value; + + if (sysctl__read_int("kernel/perf_event_max_contexts_per_stack", &value) == 0) + sysctl_perf_event_max_contexts_per_stack = value; + + return sysctl_perf_event_max_stack; +} + bool test_attr__enabled; bool perf_host = true; |